57 lines
1.3 KiB
PHP
57 lines
1.3 KiB
PHP
<?php
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/**
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* Piwik - free/libre analytics platform
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*/
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namespace Piwik\Plugins\Contents\Columns\Metrics;
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use Piwik\DataTable\Row;
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use Piwik\Metrics\Formatter;
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use Piwik\Piwik;
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use Piwik\Plugin\ProcessedMetric;
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/**
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* The content interaction rate. Calculated as:
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*
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* nb_interactions / nb_impressions
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*
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* nb_interactions & nb_impressions are calculated by the Contents archiver.
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*/
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class InteractionRate extends ProcessedMetric
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{
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public function getName()
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{
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return 'interaction_rate';
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}
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public function getTranslatedName()
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{
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return Piwik::translate('Contents_InteractionRate');
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}
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public function getDocumentation()
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{
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return Piwik::translate('Contents_InteractionRateMetricDocumentation');
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}
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public function compute(Row $row)
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{
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$interactions = $this->getMetric($row, 'nb_interactions');
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$impressions = $this->getMetric($row, 'nb_impressions');
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return Piwik::getQuotientSafe($interactions, $impressions, $precision = 4);
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}
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public function format($value, Formatter $formatter)
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{
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return $formatter->getPrettyPercentFromQuotient($value);
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}
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public function getDependentMetrics()
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{
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return array('nb_interactions', 'nb_impressions');
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}
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} |